Nut-lock.



TA'rEemfrENrforraon,

" `Nuancen peieixeationrof Ietter'siatent.

applicati@aiegilotqtepa1915- serial No, 53,826.

in each` ofthe grooves or recesses 8. As y clearly illustrated in Fig. 2, preferably three balls 10 are arranged in each groove or rei cess 8 and each'of the `balls isof a different lter from `the relatively large to thevsmall end. ofthe groove or recess'. The sizesv of the several, balls are so proportioned that when the bolt?Y is iitted into the nut each of the balls will wedge between the threads ofthe `bolt'and the inclined outer Wall of er o elinvention, y ediii the artto d usefthsaine.

spaced ,fronithc other to insure positive l, independent wedgingthereof. In order toteniporarily lock the nut `against rotational movement immediately `after its adjustment upon the bolt `7 and "possibly` before the ballshave moved to screv.'4 1Q or equivalent means to the outer face of the natu?)` and, 1s adapted, subsethe thick end ofthe wire, as 'indicated at 13.

entend' `forination "oftpartsf 1i described,claiineclf` i l l fsYLvnNUs i H; B'Airfiani'r.- ISAAC P. MARKHAM-= Vgtheythreadc xtremity ofthegbolt inediate; "lit'snends,- th `tvallf "off the l ormed`vvithgaxxplurali preferably d" e ""shapedf orgeccentric,grooves or hichmefge at"Sonet;endkiimjthe e bore and :terminate attheir -op-` o ds`ooi`n""shoulder `9 isposedradially oiVthenu Witnesses; GUY FRENCH, p

ilMIL'roN flrrrmnn.`

iAojr.' MARKHAM, or ELLICOTTVILLE, NEW YORK.

l shape, being gradually decreased ,inf diamo;`

o their vWedgging position, a wire 11. formed. l ot a `suitable ie'xlblenietal 1s secured by a" i "the free end thereof is hooked or bent over and a plurality of various sized locking balls Patented Mari f7, 1916. i

I c A plurality of lockingballs is mounted A `the recess or groove 8 and each of the balls i liu-intatti` adjustmentof the` nut, Ato be.

A protectivehousing 1-lshaped conformi sfo screwthreaded bore and eccentric grooves or internally Yscrewthreaded` bore 'and a plufI 

